(19)

(11)

EP 0 728 163 A1

(12)

(43) Date of publication: 28.08.1996 Bulletin 1996/35 (21) Application number: 94930816.0 (22) Date of filing: 18.10.1994

(51) International Patent Classification (IPC):  B05D 7/ 24( . ) C09D 5/ 03( . ) C09D 133/ 14( . ) C08G 59/ 42( . ) C09D 133/ 06( . ) C09D 163/ 00( . ) (86) International application number: PCT/US1994/011863 (87) International publication number: WO 1995/012639 (11.05.1995 Gazette 1995/20)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 01.11.1993 US 19930143722 (71) Applicant: PPG INDUSTRIES, INC. Pittsburgh Pennsylvania 15272 (US)

(72) Inventors: SIMEONE, Robert, Louis Pittsburgh, PA 15232 (US) LIPPERT, Robert, Dennis Butler, PA 16001 (US) O'DWYER, James, Brendan Valencia, PA 16059 (US) KANIA, Charles, Martin Natrona Heights, PA 15065 (US) (74) Representative: Fleischer, Holm Herbert, et al  Patentanwälte Dr. Michael Hann, Dr. Hans-Günther Sternagel, Dr. Hans Dörries, Sander Aue 30 51465 Bergisch Gladbach 51465 Bergisch Gladbach (DE)